found: nuc89-44322: His The anesthetic society, c1982(hdg. on InNd rept.: DeMarco, Donald; usage: Donald DeMarco)
found: The heart of virtue, c1996:t.p. (Donald DeMarco)
found: Science and faith, 2001:t.p. (Don De Marco) cover (Don DeMarco) p. [vii] (Donald DeMarco)
found: NLC auth. file, 12 Sept. 2002(hdg.: DeMarco, Donald)
found: His Biotechnology and the assault on parenthood, c1991:t.p. (Donald De Marco)
found: LC data base, 05-20-91 (hdg.: De Marco, Donald)
found: British Library communication 18 Sept. 2002:(author prefers surname spelled DeMarco, with no space)
found: Apostles of the culture of life, 2018:title page (Dr. Donald T. DeMarco) page 271 (He is a professor of philosophy; he earned his PhD at St. John's University in New York; author of over thirty books and has been an editorial advisor and a columnist for several publications; he has served as a Corresponding Member of the Pontifical Academy for Life and president of his local Birthright)